How to read an invoice?

Page 1 – Invoice



1. Basic invoice details – invoice number, variable symbol, constant symbol
2. Correspondence address – in most cases the address of the building manager
3. Subscriber – information on the heat consumer
4. Important dates – due date, date of issue, date of delivery, name and contact details of the person responsible for issuing the invoice
5. Quantification of the cost of heat consumption – the amount invoiced during the year, either in the form of advance payments or as actual invoicing by month. In cases where cold water for DHW is not calculated, the line is missing

6. Total amount on the invoice – a positive value means an underpayment to be paid, a negative value – the supplier returns the overpayment to the customer

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Page 2 – Cost breakdown



1. Name of the source – the source through which the house is supplied with heat

2. Consumption data of the customer – description of the service (variable component of DHW, DHW, fixed component of DHW, DHW or cold water, period for which the billing is made, consumption in kWh per m3).

Unit price of heat – actual price of heat approved by ÚRSOM during the year.

In the case of cold water, this is a unit cost based on the water supplier’s billing.

Tax base – designation R1 to Rn, reference to section 3 or 5

3. Proportion of house consumption to total consumption – in the case where there is a reallocation of costs to the whole circuit (in most cases it is DHW)

4. Graphical representation – heat consumption and comparison with the previous year

5. Information on heat meters – on the basis of which the heat consumption is determined.

In case of complaints about heat invoices, you should contact the person listed on the first page of the invoice.



Explanation of abbreviations:
ÚK – central heating
DHW – domestic hot water
ÚRSO – Office for Regulation of Network Industries



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